Home / 55,815.30-83,721.60-33,611.85

Finding the Fourth Proportional to 55,815.30, 83,721.60 and 33,611.85

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Solution

The fourth proportional to 55,815.30, 83,721.60 and 33,611.85 is: 50,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,815.30 : 83,721.60 = 33,611.85 : x
  2. Step 2: Convert to fraction form
    55,815.30/83,721.60 = 33,611.85/x
  3. Step 3: Cross multiply
    55,815.30x = 83,721.60 × 33,611.85
  4. Step 4: Simplify right side
    55,815.30x = 2,814,037,860.96
  5. Step 5: Solve for x
    x = 2,814,037,860.96/55,815.30
  6. Step 6: Final answer
    x = 50,416.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.